Louis Dionne bbff52bfd4
[libc++] Guard PSTL headers with >= C++17 (#108234)
Otherwise we fail to build with modules in C++03 mode once we migrate to
a single top-level module, because those headers get pulled in but they
don't compile as C++03.
2024-09-11 14:59:25 -04:00

40 lines
1.1 KiB
C

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___PSTL_BACKEND_H
#define _LIBCPP___PSTL_BACKEND_H
#include <__config>
#include <__pstl/backend_fwd.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
#include <__undef_macros>
#if _LIBCPP_STD_VER >= 17
# if defined(_LIBCPP_PSTL_BACKEND_SERIAL)
# include <__pstl/backends/default.h>
# include <__pstl/backends/serial.h>
# elif defined(_LIBCPP_PSTL_BACKEND_STD_THREAD)
# include <__pstl/backends/default.h>
# include <__pstl/backends/std_thread.h>
# elif defined(_LIBCPP_PSTL_BACKEND_LIBDISPATCH)
# include <__pstl/backends/default.h>
# include <__pstl/backends/libdispatch.h>
# endif
#endif // _LIBCPP_STD_VER >= 17
_LIBCPP_POP_MACROS
#endif // _LIBCPP___PSTL_BACKEND_H